Petrolia borough, Pennsylvania
Official LSAD Designation: Petrolia borough • Census GEOID: 4259672
• Butler County
Demographics & Population Profile
Population and demographics for Petrolia borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 171 | — | 2025 | Census |
| Median Age | 50 yrs | ±8.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 88 | ±28 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).